Clitellata

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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In collections

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What Wikipedia says

The Clitellata are a class of annelid worms, characterized by having a clitellum – the 'collar' that forms a reproductive cocoon during part of their life cycles. The clitellates comprise around 8,000 species. Unlike the class of Polychaeta, they do not have parapodia and their heads are less developed.

Excerpt from the Wikipedia article “Clitellata”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Michael Linnenbach, CC BY-SA 3.0, via Wikimedia Commons.